Bitterbloom Bearer is a creature version of the enchantment, but provides flexibility with flash
The event had a trading board set up, where players could swap cards of the same rarity level to complete their quest
Being an Amber card, you have a lot of strong characters to choose from to fill this role: Mufasa, Betrayed Leader (how fitting), Hades, King Of Olympus, or Simba, Protective Cub (again, how fitting)
You need to diversify your card types enough to reach four, but you must avoid diluting your main game plan
As such it is far more effective and far less risky than Show and Tell assuming you have accumulated several substantial things you should be able to dodge any answers they might have and significantly overpower whatever they might have in play after it all
As long as you have a Mountain (which you should), all creatures you control have Haste, letting you quickly put out damage from creatures played from your hand